// convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase();

    // *** BROWSER VERSION ***
    // Note: On IE5, these return 4, so use is_ie5up to detect IE5.
    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);

    // Note: Opera and WebTV spoof Navigator.  We do strict client detection.
    // If you want to allow spoofing, take out the tests for opera and webtv.
    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
    var is_nav2 = (is_nav && (is_major == 2));
    var is_nav3 = (is_nav && (is_major == 3));
    var is_nav4 = (is_nav && (is_major == 4));
    var is_nav4up = (is_nav && (is_major >= 4));
    var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
                          (agt.indexOf("; nav") != -1)) );
    var is_nav6 = (is_nav && (is_major == 5));
    var is_nav6up = (is_nav && (is_major >= 5));
    var is_gecko = (agt.indexOf('gecko') != -1);


    var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    var is_ie3    = (is_ie && (is_major < 4));
    var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
    var is_ie4up  = (is_ie && (is_major >= 4));
    var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
    var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
    var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
    var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
    var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
    var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);

    // KNOWN BUG: On AOL4, returns false if IE3 is embedded browser
    // or if this is the first browser window opened.  Thus the
    // variables is_aol, is_aol3, and is_aol4 aren't 100% reliable.
    var is_aol   = (agt.indexOf("aol") != -1);
    var is_aol3  = (is_aol && is_ie3);
    var is_aol4  = (is_aol && is_ie4);
    var is_aol5  = (agt.indexOf("aol 5") != -1);
    var is_aol6  = (agt.indexOf("aol 6") != -1);

    var is_opera = (agt.indexOf("opera") != -1);
    var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
    var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
    var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
    var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
    var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);

    var is_webtv = (agt.indexOf("webtv") != -1); 

    var is_TVNavigator = ((agt.indexOf("navio") != -1) || (agt.indexOf("navio_aoltv") != -1)); 
    var is_AOLTV = is_TVNavigator;

    var is_hotjava = (agt.indexOf("hotjava") != -1);
    var is_hotjava3 = (is_hotjava && (is_major == 3));
    var is_hotjava3up = (is_hotjava && (is_major >= 3));

    // *** JAVASCRIPT VERSION CHECK ***
    var is_js;
    if (is_nav2 || is_ie3) is_js = 1.0;
    else if (is_nav3) is_js = 1.1;
    else if (is_opera5up) is_js = 1.3;
    else if (is_opera) is_js = 1.1;
    else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2;
    else if ((is_nav4 && (is_minor > 4.05)) || is_ie5) is_js = 1.3;
    else if (is_hotjava3up) is_js = 1.4;
    else if (is_nav6 || is_gecko) is_js = 1.5;
    // NOTE: In the future, update this code when newer versions of JS
    // are released. For now, we try to provide some upward compatibility
    // so that future versions of Nav and IE will show they are at
    // *least* JS 1.x capable. Always check for JS version compatibility
    // with > or >=.
    else if (is_nav6up) is_js = 1.5;
    // NOTE: ie5up on mac is 1.4
    else if (is_ie5up) is_js = 1.3

    // HACK: no idea for other browsers; always check for JS version with > or >=
    else is_js = 0.0;

    // *** PLATFORM ***
    var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
    // NOTE: On Opera 3.0, the userAgent string includes "Windows 95/NT4" on all
    //        Win32, so you can't distinguish between Win95 and WinNT.
    var is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));

    // is this a 16 bit compiled version?
    var is_win16 = ((agt.indexOf("win16")!=-1) || 
               (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) || 
               (agt.indexOf("windows 16-bit")!=-1) );  

    var is_win31 = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) ||
                    (agt.indexOf("windows 16-bit")!=-1));

    var is_winme = ((agt.indexOf("win 9x 4.90")!=-1));
    var is_win2k = ((agt.indexOf("windows nt 5.0")!=-1));

    // NOTE: Reliable detection of Win98 may not be possible. It appears that:
    //       - On Nav 4.x and before you'll get plain "Windows" in userAgent.
    //       - On Mercury client, the 32-bit version will return "Win98", but
    //         the 16-bit version running on Win98 will still return "Win95".
    var is_win98 = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1));
    var is_winnt = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1));
    var is_win32 = (is_win95 || is_winnt || is_win98 || 
                    ((is_major >= 4) && (navigator.platform == "Win32")) ||
                    (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1));

    var is_os2   = ((agt.indexOf("os/2")!=-1) || 
                    (navigator.appVersion.indexOf("OS/2")!=-1) ||   
                    (agt.indexOf("ibm-webexplorer")!=-1));

    var is_mac    = (agt.indexOf("mac")!=-1);
    // hack ie5 js version for mac
    if (is_mac && is_ie5up) is_js = 1.4;
    var is_mac68k = (is_mac && ((agt.indexOf("68k")!=-1) || 
                               (agt.indexOf("68000")!=-1)));
    var is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) || 
                                (agt.indexOf("powerpc")!=-1)));


if (is_mac == false) {
	if (is_nav4up == true) {
		document.write('<LINK REL="STYLESHEET" TYPE="text/css" HREF="sundor_nn.css">');
	}
	else {
		document.write('<LINK REL="STYLESHEET" TYPE="text/css" HREF="sundor.css">');
		}
}
else if (is_mac == true) {
	if (is_ie5up == true) { 
		document.write('<LINK REL="STYLESHEET" TYPE="text/css" HREF="sundor.css">');
	}
	else {
		if (is_nav4up == true) {
			document.write('<LINK REL="STYLESHEET" TYPE="text/css" HREF="sundornnm.css">');
			}
		else {
			document.write('<LINK REL="STYLESHEET" TYPE="text/css" HREF="sundornnm.css">');
		}
}
}
// Macromedia functions

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
  
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);


function mmLoadMenus() {
  if (window.mm_menu_0820100817_0) return;
  window.mm_menu_0820100817_0 = new Menu("root",199,18,"Arial, Helvetica, sans-serif",12,"#472311","#ffcc99","#ffffff","#472311","left","middle",3,0,500,-5,7,true,true,true,0,true,true);
  mm_menu_0820100817_0.addMenuItem("Entrance&nbsp;Doors","location='doors/entrance.asp'");
  mm_menu_0820100817_0.addMenuItem("Passage&nbsp;Doors","location='doors/passage.asp'");
  mm_menu_0820100817_0.addMenuItem("Combination&nbsp;Storm/Screen&nbsp;Doors","location='doors/combo.asp'");
  mm_menu_0820100817_0.addMenuItem("Louvers","location='doors/louver.asp'");
  mm_menu_0820100817_0.addMenuItem("Fire&nbsp;Rated&nbsp;Doors&nbsp;and&nbsp;Frames","location='doors/fire_rated.asp'");
  mm_menu_0820100817_0.addMenuItem("Transoms&nbsp;and&nbsp;Sidelites","location='doors/transoms.asp'");
   mm_menu_0820100817_0.fontWeight="bold";
   mm_menu_0820100817_0.hideOnMouseOut=true;
   mm_menu_0820100817_0.menuBorder=1;
   mm_menu_0820100817_0.menuLiteBgColor='#ffffff';
   mm_menu_0820100817_0.menuBorderBgColor='#555555';
   mm_menu_0820100817_0.bgColor='#555555';
  window.mm_menu_0820101751_1 = new Menu("root",86,18,"Arial, Helvetica, sans-serif",12,"#472311","#ffcc99","#ffffff","#472311","left","middle",3,0,500,-5,7,true,true,true,0,true,true);
  mm_menu_0820101751_1.addMenuItem("Wall&nbsp;Paneling","location='paneling/walls.asp'");
  mm_menu_0820101751_1.addMenuItem("Panel&nbsp;Jambs","location='paneling/jambs.asp'");
   mm_menu_0820101751_1.fontWeight="bold";
   mm_menu_0820101751_1.hideOnMouseOut=true;
   mm_menu_0820101751_1.menuBorder=1;
   mm_menu_0820101751_1.menuLiteBgColor='#ffffff';
   mm_menu_0820101751_1.menuBorderBgColor='#555555';
   mm_menu_0820101751_1.bgColor='#555555';
  window.mm_menu_0820102012_2 = new Menu("root",148,18,"Arial, Helvetica, sans-serif",12,"#472311","#ffcc99","#ffffff","#472311","left","middle",3,0,500,-5,7,true,true,true,0,true,true);
  mm_menu_0820102012_2.addMenuItem("Frame&nbsp;Types","location='frames/types.asp'");
  mm_menu_0820102012_2.addMenuItem("Brickmold&nbsp;&amp;&nbsp;T-Astragals","location='frames/brickmold.asp'");
  mm_menu_0820102012_2.addMenuItem("Door&nbsp;Sills","location='frames/sills.asp'");
  mm_menu_0820102012_2.addMenuItem("Hinges&nbsp;&amp;&nbsp;Locks","location='frames/hardware.asp'");
  mm_menu_0820102012_2.addMenuItem("Door&nbsp;Catches","location='frames/catches.asp'");
  mm_menu_0820102012_2.addMenuItem("Weatherstrip","location='frames/weather.asp'");
  mm_menu_0820102012_2.addMenuItem("Door&nbsp;Bottoms","location='frames/bottoms.asp'");
   mm_menu_0820102012_2.fontWeight="bold";
   mm_menu_0820102012_2.hideOnMouseOut=true;
   mm_menu_0820102012_2.menuBorder=1;
   mm_menu_0820102012_2.menuLiteBgColor='#ffffff';
   mm_menu_0820102012_2.menuBorderBgColor='#555555';
   mm_menu_0820102012_2.bgColor='#555555';
  window.mm_menu_0820102432_3 = new Menu("root",163,18,"Arial, Helvetica, sans-serif",12,"#472311","#ffcc99","#ffffff","#472311","left","middle",3,0,500,-5,7,true,true,true,0,true,true);
  mm_menu_0820102432_3.addMenuItem("Clear&nbsp;Pattern&nbsp;Safety&nbsp;Glass","location='glass/clear.asp'");
  mm_menu_0820102432_3.addMenuItem("Art&nbsp;Glass&nbsp;Designs","location='glass/art.asp'");
  mm_menu_0820102432_3.addMenuItem("Colored&nbsp;and&nbsp;Pattern&nbsp;Glass","location='glass/leaded.asp'");
  mm_menu_0820102432_3.addMenuItem("Grooved&nbsp;and&nbsp;Beveled&nbsp;Glass","location='glass/grooved.asp'");
   mm_menu_0820102432_3.fontWeight="bold";
   mm_menu_0820102432_3.hideOnMouseOut=true;
   mm_menu_0820102432_3.menuBorder=1;
   mm_menu_0820102432_3.menuLiteBgColor='#ffffff';
   mm_menu_0820102432_3.menuBorderBgColor='#555555';
   mm_menu_0820102432_3.bgColor='#555555';
  window.mm_menu_0820110028_5 = new Menu("root",179,18,"Arial, Helvetica, sans-serif",12,"#472311","#ffcc99","#ffffff","#472311","left","middle",3,0,500,-5,7,true,true,true,0,true,true);
  mm_menu_0820110028_5.addMenuItem("Sidelites&nbsp;and&nbsp;Bifolds","location='drawings/sidelites.asp'");
  mm_menu_0820110028_5.addMenuItem("1&nbsp;Panel&nbsp;Wide&nbsp;and&nbsp;Plank&nbsp;Doors","location='drawings/1panel.asp'");
  mm_menu_0820110028_5.addMenuItem("2&nbsp;Panel&nbsp;Wide&nbsp;Doors","location='drawings/2panel.asp'");
  mm_menu_0820110028_5.addMenuItem("3&nbsp;Panel&nbsp;Wide&nbsp;Doors","location='drawings/3panel.asp'");
  mm_menu_0820110028_5.addMenuItem("Doors&nbsp;with&nbsp;Glass","location='drawings/glass.asp'");
  mm_menu_0820110028_5.addMenuItem("Details:&nbsp;&nbsp;&nbsp;Standard","location='drawings/standard.asp'");
  mm_menu_0820110028_5.addMenuItem("Details:&nbsp;&nbsp;&nbsp;Custom","location='drawings/custom.asp'");
  mm_menu_0820110028_5.addMenuItem("Miscellaneous&nbsp;Accessories","location='drawings/misc.asp'");
   mm_menu_0820110028_5.fontWeight="bold";
   mm_menu_0820110028_5.hideOnMouseOut=true;
   mm_menu_0820110028_5.menuBorder=1;
   mm_menu_0820110028_5.menuLiteBgColor='#ffffff';
   mm_menu_0820110028_5.menuBorderBgColor='#555555';
   mm_menu_0820110028_5.bgColor='#555555';

  mm_menu_0820110028_5.writeMenus();
} // mmLoadMenus()


  if (document.images) {
  gallery_f2 = new Image(113 ,26); gallery_f2.src = "graphics/top_nav2/gallery_f2.gif";
  gallery_f1 = new Image(113 ,26); gallery_f1.src = "graphics/top_nav2/gallery.gif";
  contact_f2 = new Image(94 ,26); contact_f2.src = "graphics/top_nav2/contact_f2.gif";
  contact_f1 = new Image(94 ,26); contact_f1.src = "graphics/top_nav2/contact.gif";
  news_f2 = new Image(103 ,26); news_f2.src = "graphics/top_nav2/news_f2.gif";
  news_f1 = new Image(103 ,26); news_f1.src = "graphics/top_nav2/news.gif";
  warranty_f2 = new Image(85 ,26); warranty_f2.src = "graphics/top_nav2/warranty_f2.gif";
  warranty_f1 = new Image(85 ,26); warranty_f1.src = "graphics/top_nav2/warranty.gif";
  specs_f2 = new Image(113 ,26); specs_f2.src = "graphics/top_nav2/specs_f2.gif";
  specs_f1 = new Image(113 ,26); specs_f1.src = "graphics/top_nav2/specs.gif";
  care_f2 = new Image(58 ,26); care_f2.src = "graphics/top_nav2/care_f2.gif";
  care_f1 = new Image(58 ,26); care_f1.src = "graphics/top_nav2/care.gif";
  distribution_f2 = new Image(97 ,26); distribution_f2.src = "graphics/top_nav2/distribution_f2.gif";
  distribution_f1 = new Image(97 ,26); distribution_f1.src = "graphics/top_nav2/distribution.gif";
  }